Home / 21,819.74-32,728.90-6,237.36

Finding the Fourth Proportional to 21,819.74, 32,728.90 and 6,237.36

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Solution

The fourth proportional to 21,819.74, 32,728.90 and 6,237.36 is: 9,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819.74 : 32,728.90 = 6,237.36 : x
  2. Step 2: Convert to fraction form
    21,819.74/32,728.90 = 6,237.36/x
  3. Step 3: Cross multiply
    21,819.74x = 32,728.90 × 6,237.36
  4. Step 4: Simplify right side
    21,819.74x = 204,141,931.70
  5. Step 5: Solve for x
    x = 204,141,931.70/21,819.74
  6. Step 6: Final answer
    x = 9,355.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.